Table 1

Loss of puppies from birth until 21 days of age in four breeds with a total of 98 litters (l) and 744 born puppies (n): Irish wolfhound (l = 16, n = 121), Leonberger (l = 30, n = 254), Labrador retriever (l = 21, n = 173) and Newfoundland (l = 31, n = 196).
Age at death
 Dead puppies n
 Dead puppies per litter Math
 Mortality %
 Mortality of live born puppies %
Stillborn
 81
 0.82
 10.9
0–3 days
 29
 0.30
 3.8
 4.4
4–7 days
 9
 0.09
 1.2
 1.3
8–14 days
 6
 0.06
 0.8
 0.9
15–21 days
 2
 0.02
 0.2
 0.3
Sum
 127
 1.29
 16.9
 6.9

Indrebø et al. Acta Veterinaria Scandinavica 2007 49(Suppl 1):S2   doi:10.1186/1751-0147-49-S1-S2